//
// Created by spiro on 19-3-25.
//

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define TSIZE 45

struct film {
    char title[TSIZE];
    int rating;
    struct film * next;
};

char * s_gets(char * st, int n);

int main(void) {
    struct film * head = NULL;
    struct film * prev, * current;
    char input[TSIZE];

    puts("Enter first movie title:");
    while (s_gets(input, TSIZE) != NULL && input[0] != '\0') {
        current = (struct film *) malloc(sizeof(struct film));

        strncpy(current->title, input, TSIZE);
        puts("Enter your rating <0-10>:");
        scanf("%d", &current->rating);
        while (getchar() != '\n')
            continue;

        current->next = NULL;
        if (head == NULL) {
            head = current;
        } else {
            prev->next = current;
        }
        prev = current;

        puts("Enter next movie title (empty line to stop):");
    }

    // show films list
    if (head == NULL) {
        printf("No data.\n");
    }

    current = head;
    while (current != NULL) {
        printf("Movie: %s Rating: %d\n", current->title, current->rating);
        current = current->next;
    }

    // release mem
    current = head;
    while (current != NULL) {
        head = current->next;
        free(current);
        current = head;
    }

    printf("Bye!\n");
    return 0;
}

char * s_gets(char * st, int n) {
    char * ret_val;
    int i = 0;

    ret_val = fgets(st, n, stdin);
    if (ret_val) {
        while (st[i] != '\n' && st[i] != '\0') {
            i++;
        }

        if (st[i] == '\n') {
            st[i] = '\0';
        } else {
            while (getchar() != '\n') {
                continue;
            }
        }
    }
    return ret_val;
}